/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineUserCloudInterface.h
Starts an asynchronous read of the specified user file from the network platform's file store
true if the calls starts successfully, false otherwise
bool ReadUserFile ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & UserId, const [FString](API\Runtime\Core\Containers\FString) & FileName )